and we're using to a certain extent technology to plug the gaps. we're increasing the number of cameras that we have. one of the things that we're doing, we had it in motion prior to the boston marathon. but we want to increase the number of mobile cameras that we have so we can put them up at events and then move them to other events. along our marathon route, we have 220 cameras. but most of them are on bridges. we want to increase at least the public sector cameras that we have along that route. >> all right. new york city police commissioner, ray kelly, thank you very much. it's always good to see you. >> thank you for the great job you keep doing for the city. >> thank you. >>> a new book on afghanistan that's not so good. president hamid karzai had to talk to the author himself about it. award winning historian william dalrymple joins us next. keep it right here on "morning joe." [ male announcer ] you are a business pro. governor of getting it done. you know how to dance... with a deadline. and you...rent from national. because only national